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A comment on In Raising the World’s I.Q., the Secret’s in the Salt (2006). Parent comment

Re:In Raising the World’s I.Q., the Secret’s in the Salt (2006) by maxxxxx on Tuesday December 19, 2017 @10:35AM (#15960869)
It used to be pretty common for people to develop a goiter. As far as I know this is a sign of lack of iodine. So I guess most people simply didn't get enough before it got added.
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Re:In Raising the World’s I.Q., the Secret’s in the Salt (2006) by y04nn on Tuesday December 19, 2017 @10:40AM (#15960901)
If you want to know more about it: https://en.wikipedia.org/wiki/Cretinism
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Re:In Raising the World’s I.Q., the Secret’s in the Salt (2006) by wahern on Tuesday December 19, 2017 @02:03PM (#15962997)
Also https://en.wikipedia.org/wiki/Endemic_goitre , linked from the Cretinism article.
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